Senior Instrumentation Designer

Job Description

Instrumentation Design & Modeling Develop 3D models of instrumentation systems using SmartPlant 3D (SP3D) in compliance with project specifications and industry standards. Design cable trays , junction boxes , instrument panels , and field instrument layouts for offshore facilities. Ensure proper integration of instrumentation systems with piping, mechanical, and electrical disciplines. Preparation of Design Deliverables Generate instrumentation layout drawings , loop diagrams , wiring diagrams , and hook-up drawings using SP3D. Develop cable routing and tray layouts in coordination with electrical and structural teams. Prepare IO lists , instrument index , and material take-offs (MTOs) for procurement and construction. Coordination & Collaboration Coordinate with engineering teams, project managers, and offshore site personnel to ensure design feasibility and compliance. Collaborate with vendors, contractors, and procurement teams to confirm instrumentation specifications and Bill of Materials (BOM) . Participate in model reviews (30%, 60%, 90%), clash detection , and constructability analysis sessions. Compliance & Standards Ensure adherence to relevant standards: API , IEC , NEC , ISA , and other international codes for offshore instrumentation systems. Apply company and client HSE policies in all design and modeling activities. Review and provide technical feedback on vendor drawings and ensure alignment with design requirements. Site & Offshore Support Provide technical support during fabrication , construction , and commissioning of offshore instrumentation systems. Respond to RFIs (Requests for Information) , manage design changes, and assist in as-built documentation updates.